Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 275 páginas |
Dentro del libro
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Página 6
... figures , 68 ; ocular spectra , 69 ; corresponding points , retinal and spatial , 72 ; properties of the central spot , 73 ; function of the central spot , 74 ; mini- mum visible , 76 ; minimum tactile , 77 ; blind spot , 78 ; ex ...
... figures , 68 ; ocular spectra , 69 ; corresponding points , retinal and spatial , 72 ; properties of the central spot , 73 ; function of the central spot , 74 ; mini- mum visible , 76 ; minimum tactile , 77 ; blind spot , 78 ; ex ...
Página 31
... figures are found to be slightly edged with rainbow hues . If we look through such a lens at an object , the outlines of the object will be similarly edged with colors , especially C if the object lie near the margin of the field THE ...
... figures are found to be slightly edged with rainbow hues . If we look through such a lens at an object , the outlines of the object will be similarly edged with colors , especially C if the object lie near the margin of the field THE ...
Página 68
... Figures . - Stand in a dark room with a lighted candle in hand . Shutting the left , hold the candle very near the right eye , within three or four inches , obliquely outward and forward , so that the light shall strongly illuminate the ...
... Figures . - Stand in a dark room with a lighted candle in hand . Shutting the left , hold the candle very near the right eye , within three or four inches , obliquely outward and forward , so that the light shall strongly illuminate the ...
Página 69
... figures , from the discoverer . Experiment 5. Ocular Spectra . - Look a moment steadily at the setting sun , and then , turning away the eye , look elsewhere - at the sky , the ground , the wall : a vivid colored spectrum of the sun ...
... figures , from the discoverer . Experiment 5. Ocular Spectra . - Look a moment steadily at the setting sun , and then , turning away the eye , look elsewhere - at the sky , the ground , the wall : a vivid colored spectrum of the sun ...
Página 110
... figures the letters are the same . R and L , the two eyes ; A and B , two ob- jects ; a'b , Fig . 35 , and ab ' , Fig . 36 , combined images ; primed letters , left - eye im- ages ; cc , central spots of retina ; n , the nose ; PP ...
... figures the letters are the same . R and L , the two eyes ; A and B , two ob- jects ; a'b , Fig . 35 , and ab ' , Fig . 36 , combined images ; primed letters , left - eye im- ages ; cc , central spots of retina ; n , the nose ; PP ...
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Términos y frases comunes
angle axis bacillary layer binocular eye binocular perspective binocular vision camera central spot Cheaper Edition ciliary muscle Cloth colors combined images cones corresponding points cross Demy 8vo diagram direction distance distant objects distinct divergence double images evident Experiment external images farther Fcap fibers field of view Frontispiece Helmholtz heteronymous horizontal horopter horopteric line Illustrations impression inches inclination interocular space jects Large post 8vo left eye left-eye image lens light line of sight look median line monocular motion muscles nearer nose observer ocular optic axes optic centers optic chiasm optic nerve outward parallel perception perfectly phenomena plane Poems point of sight Portrait position price 75 Prof projection rays refractive represent retina retinal images right eye rotation sclerotic screen Second Edition seen single Small crown 8vo stereoscope surface T. H. HUXLEY Third Edition tion torsion Translated vertical meridian vibrations visual lines visual result vols
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